Add dotenv package

Cargo.lock

@@ -739,6 +739,12 @@ dependencies = [
  "crypto-common",
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "drain_filter_polyfill"
 version = "0.1.3"
@@ -1455,6 +1461,7 @@ dependencies = [
  "actix-web",
  "cfg-if",
  "console_error_panic_hook",
+ "dotenv",
  "http",
  "leptos",
  "leptos_actix",

Cargo.toml

@@ -23,6 +23,7 @@ leptos_icons = { version = "0.1.0", default_features = false, features = [
   "BsSkipStartFill",
   "BsSkipEndFill"
 ] }
+dotenv = { version = "0.15.0", optional = true }
 
 [features]
 csr = ["leptos/csr", "leptos_meta/csr", "leptos_router/csr"]
@@ -34,6 +35,7 @@ ssr = [
   "leptos/ssr",
   "leptos_meta/ssr",
   "leptos_router/ssr",
+  "dotenv",
 ]
 
 # Defines a size-optimized profile for the WASM bundle in release mode